78459273

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{3769}}^1$

素因数の和:4038

約数の個数: 20

約数和(自身を含む): 117691860

約数和(自身を除く): 39232587

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 3769, 6939, 11307, 20817, 33921, 101763, 305289, 968633, 2905899, 8717697, 26153091, 78459273]

約数ペア:

[(1, 78459273), (3, 26153091), (9, 8717697), (27, 2905899), (81, 968633), (257, 305289), (771, 101763), (2313, 33921), (3769, 20817), (6939, 11307)]